Question

Factorize i) 6a2

– a – 15​

Answer 1

6a² - a -15

= 6a² + 9a - 10a - 15

= 3a (2a + 3) - 5 (2a + 3)

= (3a - 5)(2a + 3)

a = 5/3 OR a = -3/2

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